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Information × Registration Number 0217U004020, 0116U005393 , R & D reports Title Creation the state primary standard the gas volume and the gas volume flow rate wiht pressure up to 1.6 MPa popup.stage_title Head Petryshyn Igor Stepanovych, Registration Date 11-01-2017 Organization State Enterprise "Ivano-Frankivs'k scientific and production center for standardization, metrology and certification" popup.description2 In the course of this work carried out development and research of the physical model of a piston prover, theoretical research of influential factors and developed a mathematical model of the process of reproduction of units of volume and volume flow at pressures up to 1.6 MPa piston prover, taking into account changes in the physical parameters of the environment and the estimated uncertainty. Product Description popup.authors Бас Олександр Анатолійович Безгачнюк Ярослав Володимирович Джочко Петро Ярославович popup.nrat_date 2020-04-02 Close